ARM64: Fix and improve MacroAssembler::Printf.

src/arm64/simulator-arm64.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_ARM64_SIMULATOR_ARM64_H_
 #define V8_ARM64_SIMULATOR_ARM64_H_
 
 #include <stdarg.h>
 #include <vector>
 
@@ skipping 739 matching lines @@
       0x7ff000007f801000UL;
   // This value is a mix of 32/64-bits NaN and "verbose" immediate.
   static const uint64_t kDefaultCPURegisterCorruptionValue =
       0x7ffbad007f8bad00UL;
 
   void CorruptRegisters(CPURegList* list,
                         uint64_t value = kDefaultCPURegisterCorruptionValue);
   void CorruptAllCallerSavedCPURegisters();
 #endif
 
+  // Pseudo Printf instruction
+  void DoPrintf(Instruction* instr);
+
   // Processor state ---------------------------------------
 
   // Output stream.
   FILE* stream_;
   PrintDisassembler* print_disasm_;
   void PRINTF_METHOD_CHECKING TraceSim(const char* format, ...);
 
   // Instrumentation.
   Instrument* instrument_;
 
@@ skipping 107 matching lines @@
   static void UnregisterCTryCatch() {
     Simulator::current(Isolate::Current())->PopAddress();
   }
 };
 
 #endif  // !defined(USE_SIMULATOR)
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM64_SIMULATOR_ARM64_H_